Western North America, Alaska to California, Arizona, New Mexico, and Chihuahua
This species of blackberry is resistant to raspberry bushy dwarf virus (RBDV). 
Black raspberry has been useful in making dyes.
Its taste is more bland than for other related species. 
"The commercial black raspberry processing industry is concentrated in the Willamette Valley (Oregon), where there are 450 to 500 ha in production." 
 Finn, C., Wennstrom, K., Link, J., & Ridout, J. (2003). Evaluation of Rubus leucodermis populations from the Pacific Northwest. HortScience, 38(6), 1169-1172.